Network entity emigration method for grouping core network
A packet core network and network entity technology, applied in the direction of electrical components, selection devices, wireless communication, etc., can solve the problems such as the MME/UPEMME/UPE migration process is not given, and achieve the effect of reducing call drops and facilitating implementation
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no. 1 example
[0088] The first embodiment: when the MME / UPE is merged, the service MME / UPE migration triggering condition parameter delivery process and specific migration process.
[0089] Referring to Fig. 6, the first embodiment of the present invention includes the following steps:
[0090] In step 101, the S-eNodeB initiates a normal Intra-LTE handover process. The handover process is the same as that of the prior art, and will not be repeated here.
[0091] Step 102, after successfully accessing the target cell, the UE sends a handover completion message to the T-eNodeB to indicate that the handover is complete.
[0092] Step 103, after receiving the handover completion message, the T-eNodeB may select T-MME / UPE or not select T-MME / UPE. The process of selecting T-MME / UPE is as follows: According to the configured MME / UPE list of the primary pool and the MME / UPE list information of the neighboring pool, it is judged that the current serving MME / UPE, that is, the S-MME / UPE, is in the ...
no. 2 example
[0107] The second embodiment: the MME / UPE is separated, a handover completion message is sent to the MME, and the MME / UPE migrates at the same time.
[0108] Referring to Fig. 7, the flow process of the second embodiment is as follows:
[0109] In step 201, the S-eNodeB initiates a normal Intra-LTE handover procedure. The handover process is the same as that of the prior art, and will not be repeated here.
[0110] In step 202, after receiving the handover completion message, the T-eNodeB may select T-MME / UPE or not select T-MME / UPE. The process of selecting the T-MME / UPE is similar to step 102 in the first embodiment, and will not be repeated here.
[0111]T-eNodeB sends a handover completion message to S-MME. If T-MME / UPE is not selected, the message contains the MME / UPE list of the primary pool to which T-eNodeB belongs and the MME / UPE list information of the neighboring pool; If T-MME / UPE is selected, the message contains the selected T-MME / UPE information. The message...
no. 3 example
[0137] Embodiment 3: MME / UPE is separated, a handover completion message is sent to the MME, and only the UPE is migrated.
[0138] Referring to Fig. 8, the process of the third embodiment of the present invention is as follows:
[0139] In step 301, the S-eNodeB initiates a normal Intra-LTE handover process. The handover process is the same as that of the prior art, and will not be repeated here.
[0140] In step 302, after receiving the handover completion message, the T-eNodeB may select T- / UPE or not select T-UPE. The process of selecting a T-UPE is as follows: According to the configured UPE list of the primary pool and the UPE list information of the neighboring pool, it is judged that the current serving UPE is in the neighboring pool list, and a UPE is selected from the UPE list of the primary pool as the serving UPE to migrate T-UPE.
[0141] T-eNodeB sends a handover completion message to S-MME. If T-UPE is not selected, the message contains the UPE list of the pr...
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